Cita APA (7th ed.)

Ettlin, W. A. (1988). WordStar professional made easy. Osborne McGraw-Hill.

Cita Chicago (17th ed.)

Ettlin, Walter A. WordStar Professional Made Easy. Berkeley, Calif: Osborne McGraw-Hill, 1988.

Cita MLA (9th ed.)

Ettlin, Walter A. WordStar Professional Made Easy. Osborne McGraw-Hill, 1988.